-3s-7=-4s

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Solution for -3s-7=-4s equation:


Simplifying
-3s + -7 = -4s

Reorder the terms:
-7 + -3s = -4s

Solving
-7 + -3s = -4s

Solving for variable 's'.

Move all terms containing s to the left, all other terms to the right.

Add '4s' to each side of the equation.
-7 + -3s + 4s = -4s + 4s

Combine like terms: -3s + 4s = 1s
-7 + 1s = -4s + 4s

Combine like terms: -4s + 4s = 0
-7 + 1s = 0

Add '7' to each side of the equation.
-7 + 7 + 1s = 0 + 7

Combine like terms: -7 + 7 = 0
0 + 1s = 0 + 7
1s = 0 + 7

Combine like terms: 0 + 7 = 7
1s = 7

Divide each side by '1'.
s = 7

Simplifying
s = 7

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